公开(公告)号：US07518722B2

公开(公告)日：2009-04-14

申请号：US11208443

申请日：2005-08-19

Applicant: Jason P. Julian ,  Kevin M. Didona ,  Darrin P. Milner ,  Thomas L. Mikes ,  Scott D. Milligan ,  David P. Bannon

Inventor： Jason P. Julian ,  Kevin M. Didona ,  Darrin P. Milner ,  Thomas L. Mikes ,  Scott D. Milligan ,  David P. Bannon

IPC: G01J3/36 ,  G02B5/18

CPC classification number: G01J3/02 ,  G01J3/0202 ,  G01J3/0205 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/0237 ,  G01J3/0291 ,  G01J3/0294 ,  G01J3/0297 ,  G01J3/04 ,  G01J3/18 ,  G01J3/2823

Abstract: A multi-spectrum, multi-channel imaging spectrometer includes two or more input slits or other light input devices, one for each of two or more input channels. The input slits are vertically and horizontally displaced, with respect to each other. The vertical displacements cause spectra from the two channels to be vertically displaced, with respect to each other, on a single image sensor on a stationary image plane. The horizontal displacements cause incident light beams from the respective input channels to strike a convex grating at different respective incidence angles and produce separate spectra having different respective spectral ranges. A retroflective spectrometer includes a convex grating that, by diffraction, disperses wavelengths of light at different angles and orders approximately back along an incident light beam. A single concave mirror reflects both the input channel and the dispersed spectrum. A prism, set of mirrors, beam splitters or other optical element(s) folds the input channel(s) of a spectrometer to enable the input(s) to be moved away from the plane of the image sensor, thereby enabling a large camera or other device to be attached to the spectrometer without blocking the input(s). A mounting mechanism enables a curved optical element to be adjusted through lateral and transverse translations, without requiring a gimbal mount.

Abstract translation: 多光谱多通道成像光谱仪包括两个或更多个输入狭缝或其他光输入装置，一个用于两个或更多个输入通道中的每一个。 输入狭缝相对于彼此垂直和水平位移。 垂直位移导致来自两个通道的光谱相对于彼此在固定图像平面上的单个图像传感器上垂直移位。 水平位移引起来自相应输入通道的入射光束以不同的入射角撞击凸光栅，并产生具有不同相应光谱范围的分离光谱。 反射光谱仪包括一个凸形光栅，通过衍射，分散光线在不同角度的波长，并沿着入射光束大致向后推。 单个凹面镜反映了输入通道和分散光谱。 棱镜，一组镜子，分束器或其他光学元件折叠光谱仪的输入通道，以使得输入能够远离图像传感器的平面移动，从而实现大型相机 或其他装置连接到光谱仪而不阻塞输入。 安装机构使弯曲光学元件可以通过横向和横向平移进行调节，而不需要万向架安装。